AS/NZS 61779.3:2000被替代
Electrical apparatus for the detection and measurement of flammable gases Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air
出版：Standards Australia
专家解读视频
Specifies requirements for group I (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are intended for use in mines susceptible to firedamp. The requirements and test methods applicable to the apparatus covered by this Standard are specified in part 1. This Standard is restricted to apparatus intended for the detection and measurements of volume ratios of methane in air from a volume fraction of 0% up to a volume fraction of 100%.
